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Entry title:

Measles

Last updated on Thursday, 6 August 2026 at 09:30am

Measles is a viral infectious disease. This page provides information about measles cases in England.

Cases are confirmed through either local or reference laboratory testing.

Numbers shown here are provisional and subject to change as:

  • more suspected cases undergo confirmatory testing
  • some locally tested cases are discarded after obtaining further epidemiological information or undergoing confirmatory testing at the reference laboratory

We update measles every other week on Thursdays at 9.30am. On weeks with a bank holiday on Monday or Tuesday, the update will be on Friday at 9.30am. The next update will be on Thursday 20 August.

Headlines

Cases

Since January 2026
Up to 3 Aug 2026
953

Cases

In the past 4 weeks
Up to 3 Aug 2026
25

Between 1 January 2026 and 3 August 2026, there have been 953 laboratory confirmed measles cases reported in England, an increase of 20 cases since the last report on 20 July 2026.

51% (490/953) of these cases have been in London, 16% (150/953) in the West Midlands, and 10% (96/953) in the North West. However, all regions have reported at least one confirmed case with symptom onset since January 2026.


In 2025, there were 960 laboratory confirmed measles cases reported in England. In 2024, there were 2,911 laboratory confirmed measles cases in England, the highest number of cases recorded annually in decades. Data for 2023 to 2026 and historical data are available.

Percent cases in England by age group (in years), since January 2026

Cases under 1 year of age are assigned to the 00-01 age group.

Up to 3 Aug 2026

ChartThere are 7 plots on this chart. The horizontal X-axis is labelled 'age'. Whilst the vertical Y-axis is labelled 'metric'. This is plot number 1 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '00-01' for the gender group of all. This plot shows `00 - 01` along the X-axis. And `11.5000` along the Y-axis. This is plot number 2 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '01-04' for the gender group of all. This plot shows `01 - 04` along the X-axis. And `27.2000` along the Y-axis. This is plot number 3 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '05-10' for the gender group of all. This plot shows `05 - 10` along the X-axis. And `22.7000` along the Y-axis. This is plot number 4 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '11-14' for the gender group of all. This plot shows `11 - 14` along the X-axis. And `6.1000` along the Y-axis. This is plot number 5 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '15-24' for the gender group of all. This plot shows `15 - 24` along the X-axis. And `11.4000` along the Y-axis. This is plot number 6 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '25-34' for the gender group of all. This plot shows `25 - 34` along the X-axis. And `11.6000` along the Y-axis. This is plot number 7 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesAgePercent' for the England area, along with the age banding of '35+' for the gender group of all. This plot shows `35+` along the X-axis. And `9.4000` along the Y-axis. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Percent cases in England by age group (in years), since January 2026 data for cases under 1 year of age are assigned to the 00-01 age group.

Up to and including 3 August 2026

Age group (years) Percent of cases
00 - 0111.50
01 - 0427.20
05 - 1022.70
11 - 146.10
15 - 2411.40
25 - 3411.60
35+9.40
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Percent cases in England by UKHSA Region, since January 2026

Up to 3 Aug 2026

ChartThere are 9 plots on this chart. The horizontal X-axis is labelled 'geography'. Whilst the vertical Y-axis is labelled 'metric'. This is plot number 1 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the East Midlands area, along with the age banding of 'all' for the gender group of all. This plot shows `East Midlands` along the X-axis. And `2.0000` along the Y-axis. This is plot number 2 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the East of England area, along with the age banding of 'all' for the gender group of all. This plot shows `East of England` along the X-axis. And `8.6000` along the Y-axis. This is plot number 3 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the London area, along with the age banding of 'all' for the gender group of all. This plot shows `London` along the X-axis. And `51.4000` along the Y-axis. This is plot number 4 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the North East area, along with the age banding of 'all' for the gender group of all. This plot shows `North East` along the X-axis. And `0.5000` along the Y-axis. This is plot number 5 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the North West area, along with the age banding of 'all' for the gender group of all. This plot shows `North West` along the X-axis. And `10.1000` along the Y-axis. This is plot number 6 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the South East area, along with the age banding of 'all' for the gender group of all. This plot shows `South East` along the X-axis. And `2.7000` along the Y-axis. This is plot number 7 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the South West area, along with the age banding of 'all' for the gender group of all. This plot shows `South West` along the X-axis. And `0.8000` along the Y-axis. This is plot number 8 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the West Midlands area, along with the age banding of 'all' for the gender group of all. This plot shows `West Midlands` along the X-axis. And `15.7000` along the Y-axis. This is plot number 9 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesRegionPercent' for the Yorkshire and Humber area, along with the age banding of 'all' for the gender group of all. This plot shows `Yorkshire and Humber` along the X-axis. And `8.1000` along the Y-axis. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Percent cases in England by UKHSA Region, since January 2026 data for

Up to and including 3 August 2026

UKHSA region Percent of cases
East Midlands2.00
East of England8.60
London51.40
North East0.50
North West10.10
South East2.70
South West0.80
West Midlands15.70
Yorkshire and Humber8.10
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Number of cases in England by upper tier local authority, since January 2026

The upper tier local authorities with the highest number of cumulative measles cases in the reporting period are included in this chart.

Up to 3 Aug 2026

ChartThere are 26 plots on this chart. The horizontal X-axis is labelled 'geography'. Whilst the vertical Y-axis is labelled 'metric'. This is plot number 1 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Enfield area, along with the age banding of 'all' for the gender group of all. This plot shows `Enfield` along the X-axis. And `111.0000` along the Y-axis. This is plot number 2 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Birmingham area, along with the age banding of 'all' for the gender group of all. This plot shows `Birmingham` along the X-axis. And `81.0000` along the Y-axis. This is plot number 3 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Hertfordshire area, along with the age banding of 'all' for the gender group of all. This plot shows `Hertfordshire` along the X-axis. And `63.0000` along the Y-axis. This is plot number 4 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Haringey area, along with the age banding of 'all' for the gender group of all. This plot shows `Haringey` along the X-axis. And `55.0000` along the Y-axis. This is plot number 5 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Islington area, along with the age banding of 'all' for the gender group of all. This plot shows `Islington` along the X-axis. And `52.0000` along the Y-axis. This is plot number 6 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Kirklees area, along with the age banding of 'all' for the gender group of all. This plot shows `Kirklees` along the X-axis. And `39.0000` along the Y-axis. This is plot number 7 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Worcestershire area, along with the age banding of 'all' for the gender group of all. This plot shows `Worcestershire` along the X-axis. And `29.0000` along the Y-axis. This is plot number 8 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Ealing area, along with the age banding of 'all' for the gender group of all. This plot shows `Ealing` along the X-axis. And `24.0000` along the Y-axis. This is plot number 9 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Barnet area, along with the age banding of 'all' for the gender group of all. This plot shows `Barnet` along the X-axis. And `23.0000` along the Y-axis. This is plot number 10 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Bradford area, along with the age banding of 'all' for the gender group of all. This plot shows `Bradford` along the X-axis. And `23.0000` along the Y-axis. This is plot number 11 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Harrow area, along with the age banding of 'all' for the gender group of all. This plot shows `Harrow` along the X-axis. And `23.0000` along the Y-axis. This is plot number 12 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Hackney and City of London area, along with the age banding of 'all' for the gender group of all. This plot shows `Hackney and City of London` along the X-axis. And `22.0000` along the Y-axis. This is plot number 13 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Brent area, along with the age banding of 'all' for the gender group of all. This plot shows `Brent` along the X-axis. And `21.0000` along the Y-axis. This is plot number 14 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Camden area, along with the age banding of 'all' for the gender group of all. This plot shows `Camden` along the X-axis. And `20.0000` along the Y-axis. This is plot number 15 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Hillingdon area, along with the age banding of 'all' for the gender group of all. This plot shows `Hillingdon` along the X-axis. And `20.0000` along the Y-axis. This is plot number 16 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Wirral area, along with the age banding of 'all' for the gender group of all. This plot shows `Wirral` along the X-axis. And `17.0000` along the Y-axis. This is plot number 17 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Staffordshire area, along with the age banding of 'all' for the gender group of all. This plot shows `Staffordshire` along the X-axis. And `15.0000` along the Y-axis. This is plot number 18 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Bolton area, along with the age banding of 'all' for the gender group of all. This plot shows `Bolton` along the X-axis. And `12.0000` along the Y-axis. This is plot number 19 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Hounslow area, along with the age banding of 'all' for the gender group of all. This plot shows `Hounslow` along the X-axis. And `12.0000` along the Y-axis. This is plot number 20 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Lancashire area, along with the age banding of 'all' for the gender group of all. This plot shows `Lancashire` along the X-axis. And `12.0000` along the Y-axis. This is plot number 21 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Sandwell area, along with the age banding of 'all' for the gender group of all. This plot shows `Sandwell` along the X-axis. And `12.0000` along the Y-axis. This is plot number 22 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Sefton area, along with the age banding of 'all' for the gender group of all. This plot shows `Sefton` along the X-axis. And `12.0000` along the Y-axis. This is plot number 23 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Waltham Forest area, along with the age banding of 'all' for the gender group of all. This plot shows `Waltham Forest` along the X-axis. And `12.0000` along the Y-axis. This is plot number 24 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Barking and Dagenham area, along with the age banding of 'all' for the gender group of all. This plot shows `Barking and Dagenham` along the X-axis. And `11.0000` along the Y-axis. This is plot number 25 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Essex area, along with the age banding of 'all' for the gender group of all. This plot shows `Essex` along the X-axis. And `11.0000` along the Y-axis. This is plot number 26 on this chart. This is a dark blue solid bar plot. This plot shows data for Measles. Specifically the metric 'measles_headline_cumulativeCasesIncident' for the Newham area, along with the age banding of 'all' for the gender group of all. This plot shows `Newham` along the X-axis. And `11.0000` along the Y-axis. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Number of cases in England by upper tier local authority, since January 2026 data for the upper tier local authorities with the highest number of cumulative measles cases in the reporting period are included in this chart.

Up to and including 3 August 2026

Upper Tier Local Authority Number of cases
Enfield111.00
Birmingham81.00
Hertfordshire63.00
Haringey55.00
Islington52.00
Kirklees39.00
Worcestershire29.00
Ealing24.00
Barnet23.00
Bradford23.00
Harrow23.00
Hackney and City of London22.00
Brent21.00
Camden20.00
Hillingdon20.00
Wirral17.00
Staffordshire15.00
Bolton12.00
Hounslow12.00
Lancashire12.00
Sandwell12.00
Sefton12.00
Waltham Forest12.00
Barking and Dagenham11.00
Essex11.00
Newham11.00
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Trends

Cases by week of symptom onset

Laboratory confirmed cases of measles by week of onset of rash or symptoms reported, London and England from 1 January 2024. The data reporting lag has greatest impact on the most recent 4 weeks. Reported figures for this period are likely to underestimate activity. These data points are within the "reporting delay" period on the chart. This chart is different to the measles "cases reported" chart on the landing page. Data affected by the reporting delay is not included in the chart on the landing page.

Up to and including week beginning 20 Jul 2026

ChartThere are 2 plots on this chart. The horizontal X-axis is labelled 'date'. Whilst the vertical Y-axis is labelled 'metric'. This is plot number 1 on this chart. This is a dark blue solid line plot. The plot has a label of 'England'. This plot shows data for Measles. Specifically the metric 'measles_cases_casesByOnsetWeek' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 January 2024 to 20 July 2026. It rose from 74.0 on 01 January 2024 to 77.0 on 03 June 2024. It fell from 58.0 on 10 June 2024 to 28.0 on 11 November 2024. It rose from 29.0 on 18 November 2024 to 33.0 on 14 April 2025. It fell from 19.0 on 21 April 2025 to 9.0 on 15 September 2025. It rose from 6.0 on 22 September 2025 to 41.0 on 16 February 2026. And finally. It fell from 39.0 on 23 February 2026 to 6.0 on 20 July 2026. This is plot number 2 on this chart. This is a turquoise solid line plot. The plot has a label of 'London'. This plot shows data for Measles. Specifically the metric 'measles_cases_casesByOnsetWeek' for the London area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 January 2024 to 20 July 2026. It rose from 7.0 on 01 January 2024 to 38.0 on 03 June 2024. It fell from 32.0 on 10 June 2024 to 1.0 on 11 November 2024. It rose from 4.0 on 18 November 2024 to 19.0 on 14 April 2025. It fell from 13.0 on 21 April 2025 to 6.0 on 15 September 2025. It rose from 3.0 on 22 September 2025 to 27.0 on 16 February 2026. And finally. It fell from 14.0 on 23 February 2026 to 2.0 on 20 July 2026. Data from 06 July 2026 onwards falls under the reporting delay period. This means those figures are still subject to retrospective updates and should therefore not be considered to be final. - Refer to tabular data.
Tabular data

Cases by week of symptom onset data for laboratory confirmed cases of measles by week of onset of rash or symptoms reported, London and England from 1 January 2024.

The data reporting lag has greatest impact on the most recent 4 weeks. Reported figures for this period are likely to underestimate activity. These data points are within the "reporting delay" period on the chart.

This chart is different to the measles "cases reported" chart on the landing page. Data affected by the reporting delay is not included in the chart on the landing page.

Up to and including 20 July 2026

Reporting delay period

Symptom onset date England London
20 Jul 20266.002.00
13 Jul 202611.008.00
6 Jul 20268.002.00
29 Jun 202622.006.00
22 Jun 202643.0018.00
15 Jun 202629.0013.00
8 Jun 202633.0016.00
1 Jun 202641.0013.00
25 May 202663.0033.00
18 May 202654.0018.00
11 May 202642.0019.00
4 May 202645.0022.00
27 Apr 202635.0015.00
20 Apr 202627.0016.00
13 Apr 202643.0024.00
6 Apr 202635.0028.00
30 Mar 202638.0025.00
23 Mar 202631.0013.00
16 Mar 202636.0013.00
9 Mar 202628.008.00
2 Mar 202630.0019.00
23 Feb 202639.0014.00
16 Feb 202641.0027.00
9 Feb 202642.0034.00
2 Feb 202622.0015.00
26 Jan 202632.0022.00
19 Jan 202625.0015.00
12 Jan 202633.0025.00
5 Jan 202610.005.00
29 Dec 202512.005.00
22 Dec 202511.004.00
15 Dec 202511.006.00
8 Dec 202513.008.00
1 Dec 202520.0012.00
24 Nov 202514.0012.00
17 Nov 202520.008.00
10 Nov 202516.007.00
3 Nov 202513.006.00
27 Oct 20258.005.00
20 Oct 202512.007.00
13 Oct 20257.001.00
6 Oct 202515.002.00
29 Sep 20259.004.00
22 Sep 20256.003.00
15 Sep 20259.006.00
8 Sep 20257.004.00
1 Sep 20256.005.00
25 Aug 20257.005.00
18 Aug 20254.003.00
11 Aug 202515.008.00
4 Aug 202517.0014.00
28 Jul 202518.0015.00
21 Jul 202515.0011.00
14 Jul 202539.0030.00
7 Jul 202528.0020.00
30 Jun 202535.0022.00
23 Jun 202531.0017.00
16 Jun 202524.0019.00
9 Jun 202529.0016.00
2 Jun 202532.0021.00
26 May 202533.0018.00
19 May 202532.0019.00
12 May 202525.0011.00
5 May 202526.0012.00
28 Apr 202526.0014.00
21 Apr 202519.0013.00
14 Apr 202533.0019.00
7 Apr 202526.0012.00
31 Mar 202524.0010.00
24 Mar 202514.006.00
17 Mar 202516.0010.00
10 Mar 202513.008.00
3 Mar 202516.006.00
24 Feb 202519.004.00
17 Feb 202516.005.00
10 Feb 202517.003.00
3 Feb 202517.005.00
27 Jan 202514.002.00
20 Jan 202524.004.00
13 Jan 202522.005.00
6 Jan 202519.002.00
30 Dec 202422.004.00
23 Dec 202416.004.00
16 Dec 202422.002.00
9 Dec 202426.004.00
2 Dec 202433.003.00
25 Nov 202429.005.00
18 Nov 202429.004.00
11 Nov 202428.001.00
4 Nov 202434.005.00
28 Oct 202418.006.00
21 Oct 202427.005.00
14 Oct 202412.005.00
7 Oct 202414.006.00
30 Sep 202417.007.00
23 Sep 202414.006.00
16 Sep 202423.0011.00
9 Sep 202423.0015.00
2 Sep 202428.0016.00
26 Aug 202423.0017.00
19 Aug 202432.0021.00
12 Aug 202440.0029.00
5 Aug 202452.0038.00
29 Jul 202467.0048.00
22 Jul 202460.0040.00
15 Jul 202484.0065.00
8 Jul 202487.0065.00
1 Jul 202477.0047.00
24 Jun 202473.0053.00
17 Jun 202480.0049.00
10 Jun 202458.0032.00
3 Jun 202477.0038.00
27 May 202471.0042.00
20 May 202497.0057.00
13 May 2024104.0058.00
6 May 202487.0044.00
29 Apr 202481.0034.00
22 Apr 202482.0040.00
15 Apr 202484.0042.00
8 Apr 2024106.0058.00
1 Apr 202490.0039.00
25 Mar 202472.0029.00
18 Mar 202477.0036.00
11 Mar 202488.0033.00
4 Mar 202458.0027.00
26 Feb 202478.0028.00
19 Feb 202458.0014.00
12 Feb 202471.0012.00
5 Feb 202470.0016.00
29 Jan 202470.008.00
22 Jan 202465.009.00
15 Jan 202453.0012.00
8 Jan 202465.0012.00
1 Jan 202474.007.00
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